Lighting device



FIG. 1 illustrates a front perspective view of a lighting device showing my new design;

FIG. 2 illustrates a front elevational view thereof;

FIG. 3 illustrates a rear elevational view thereof;

FIG. 4 illustrates a left side elevational view thereof;

FIG. 5 illustrates a right side elevational view thereof;

FIG. 6 illustrates a top plan view thereof;

FIG. 7 illustrates a bottom plan view thereof; and,

FIG. 8 illustrates another front perspective view thereof.

The broken lines shown throughout the views depict unclaimed portions of the lighting device and form no part of the claimed design. 

CLAIM The ornamental design for a lighting device, as shown and described. 